Senior Software Engineer
First seen by Alion on Sep 24, 2026.
BME - Bolsas y Mercados Españoles - drives the transformation of financial markets and belongs to SIX, the third largest exchange group in Europe.
What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.
Senior Software Engineer
Madrid|Working from home up to 40%| Reference8248
Do you want to work in a highly dynamic environment and build reliable, scalable backend systems? Are you passionate about Java, distributed systems, and event-driven architectures? Then our Backend Engineering Team wants to hear from you.
We are an agile and collaborative team responsible for designing and operating core backend services that power our platform in the Post Trading area of the SIX Swiss Exchange. Our goal is to build & maintain robust, scalable, and maintainable systems that support critical business processes.
In this position, you will work closely with software engineers, architects, and product teams to design, maintain and deliver high-quality backend solutions.
What You Will Do
- Design, develop, and maintain backend services and REST APIs using Java, Spring, and Spring Boot
- Build and operate event-driven services using Apache Kafka
- Develop and maintain applications running on Java application servers such as WildFly
- Collaborate with engineers and architects on system design, architecture, and technical improvements
- Ensure reliability, scalability, and performance of production systems
What You Bring
- Very strong experience with Java backend development and modern backend design principles
- Experience with Spring and Spring Boot for building microservices
- Experience with Kafka or other messaging / event-streaming platforms
- Experience with Wildfly/JBOSS is a big plus
- Experience designing RESTful APIs and working with SQL databases
If you have any questions, check out our FAQ page or call Yuliya Stoykoat +34 917095993.
For this vacancy we only accept direct applications in english.
Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.